/*
 * Copyright 2008 Yubico
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 *
 * You may obtain a copy of the License at 
 *   http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 *
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 *
 */
package com.yubico.wsapi;

import java.util.Iterator;
import java.util.Map;

public class FactoryUtil {
	static Map normalize(Map map) {
		Iterator iter = map.entrySet().iterator();
		while (iter.hasNext()) {
			Map.Entry me = (Map.Entry) iter.next();
			Object o = me.getValue();
			if (o instanceof String) {
				continue;
			} else if (o instanceof String[]) {
				String[] s = (String[]) o;
				me.setValue(s[0]);
			} else {
				throw new IllegalArgumentException("Cannot normalize " + o);
			}
		}
		return map;
	}
}
